expedition vs safari

expedition and safari both are nouns.

Word	Noun	Adjective	Verb	Adverb
expedition	Yes	No	No	No
safari	Yes	No	No	No

As nouns, safari is a hyponym of expedition; that is, safari is a word with a more specific, narrower meaning than expedition:

Other hyponyms of expedition include scouting trip, campaign, hunting expedition, exploration, geographic expedition.

expedition (noun)	safari (noun)
a journey organized for a particular purpose	an overland journey by hunters (especially in Africa)
a military campaign designed to achieve a specific objective in a foreign country
a journey taken for pleasure
the property of being prompt and efficient
an organized group of people undertaking a journey for a particular purpose